Finding the Fourth Proportional to 2,779.35, 4,158.41 and 2,430.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779.35 : 4,158.41 = 2,430.10 : x
2. Step 2: Convert to fraction form
   2,779.35/4,158.41 = 2,430.10/x
3. Step 3: Cross multiply
   2,779.35x = 4,158.41 × 2,430.10
4. Step 4: Simplify right side
   2,779.35x = 10,105,345.19
5. Step 5: Solve for x
   x = 10,105,345.19/2,779.35
6. Step 6: Final answer
   x = 3,635.87